diff --git a/Makefile b/Makefile
index 3de9f8a..f7a356c 100644
--- a/Makefile
+++ b/Makefile
@@ -6,8 +6,8 @@ ifeq ($(GOHOSTOS), windows)
 	#the `find.exe` is different from `find` in bash/shell.
 	#to see https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/find.
 	#changed to use git-bash.exe to run find cli or other cli friendly, caused of every developer has a Git.
-	#Git_Bash= $(subst cmd\,bin\bash.exe,$(dir $(shell where git)))
-	Git_Bash=$(subst \,/,$(subst cmd\,bin\bash.exe,$(dir $(shell where git))))
+	#Git_Bash= $(subst cmd\git.exe,bin\bash.exe,$(shell where git))
+	Git_Bash="$(subst \,/,$(subst cmd\git.exe,bin\bash.exe,$(shell where git)))"
 	INTERNAL_PROTO_FILES=$(shell $(Git_Bash) -c "find internal -name *.proto")
 	API_PROTO_FILES=$(shell $(Git_Bash) -c "find api -name *.proto")
 else